A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 22-Jun-2022 number of released structures: 12128
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NDB ID: NA2174  PDB ID: 4IHT 


Base Pair Hydrogen Bonding Classification

CSV Format

Model NumberPair NumberPair NameLeontis / Westhof ClassificationSaenger Classification
12E_DA2:DT24_F120
13E_DA3:DT23_F120
14E_DA4:DT22_F120
15E_DA5:DT21_F120
16E_DA6:DT20_F120
18E_DA8:DT18_F120
113E_DA13:DT13_F120
115E_DA15:DT11_F120
119E_DA19:DT7_F120
124E_DA24:DT2_F120
19E_DC9:DG17_F10
111E_DC11:DG15_F119
112E_DC12:DG14_F119
116E_DG16:DC10_F119
117E_DG17:DC9_F119
11E_DT1:DA25_F120
17E_DT7:DA19_F120
110E_DT10:DA16_F120
114E_DT14:DA12_F120
118E_DT18:DA8_F120
120E_DT20:DA6_F120
121E_DT21:DA5_F120
122E_DT22:DA4_F120
123E_DT23:DA3_F120
125E_DT25:DA1_F10
127G_DA2:DT24_H120
128G_DA3:DT23_H120
129G_DA4:DT22_H120
130G_DA5:DT21_H120
131G_DA6:DT20_H120
133G_DA8:DT18_H120
138G_DA13:DT13_H120
140G_DA15:DT11_H120
144G_DA19:DT7_H120
149G_DA24:DT2_H120
134G_DC9:DG17_H119
136G_DC11:DG15_H119
137G_DC12:DG14_H119
141G_DG16:DC10_H119
142G_DG17:DC9_H119
126G_DT1:DA25_H120
132G_DT7:DA19_H120
135G_DT10:DA16_H120
139G_DT14:DA12_H120
143G_DT18:DA8_H120
145G_DT20:DA6_H00
146G_DT21:DA5_H120
147G_DT22:DA4_H120
148G_DT23:DA3_H120
150G_DT25:DA1_H10

Leontis/Westhof Classification Legend

Base-Phosphate Interactions Legend

Base-Stacking Interactions Legend

Saenger Classification Legend

Correspondence of Leontis/Westhof names to Saenger numbering (table)